Arlington Industries Fire-Rate...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$24.92
Arlington Industries Fire-Rated Adjustable Ceiling Fixture Box - Non-Metallic 20.5 cu in Construction Mount

Arlington Industries Fire-Rated Adjustable Ceiling Fixture Box - Non-Metallic 20.5 cu in Construction Mount

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Model: FA426

In Stock (leaves warehouse same day if ordered before 3pm ET)

$24.92
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Arlington Industries Fire-Rated Adjustable Ceiling Fixture Box

Professional fire-rated electrical mounting solution for ceiling fixtures

Arlington Industries Fire-Rated Adjustable Ceiling Fixture Box delivers reliable fire-rated protection with non-metallic construction. This UL-listed ceiling fixture box features 20.5 cu in capacity with adjustable mounting design, providing professional-grade electrical installation solutions for ceiling-mounted fixtures in fire-rated assemblies.

Professional Features & Benefits

  • Fire-Rated Design: Maintains fire rating integrity in ceiling assemblies for enhanced safety and code compliance
  • 20.5 cu in Capacity: Provides ample wiring space for standard ceiling fixture connections and wire management
  • Non-Metallic Construction: Plastic material offers corrosion resistance and electrical isolation properties
  • Adjustable Mounting: Accommodates various ceiling thicknesses and installation requirements for versatile applications
  • UL Listed: Meets rigorous safety standards for electrical enclosures and fire-rated applications
  • 4.800" Width Design: Standard sizing ensures compatibility with common ceiling fixture mounting patterns
  • Lightweight Construction: 0.358 lbs weight facilitates easy handling and installation

Technical Specifications

  • Color: Black
  • Country Of Origin: United States
  • Height: 4.000"
  • Listing: UL
  • Material S : Plastic
  • Standard Packaging: 25pcs
  • Trade Size: 20.5 cu in
  • Unit Packaging: 25pcs
  • Weight: 0.358 lbs/each
  • Width: 4.800"

Professional Applications

  • Fire-Rated Ceiling Assemblies
  • Commercial Building Installations
  • Residential Fire-Rated Construction
  • Multi-Unit Housing Projects
  • Professional Office Buildings
  • Retail and Commercial Spaces
  • Educational Facilities

Why Choose Arlington Industries Quality?

Arlington Industries delivers trusted electrical solutions with UL-listed safety certification and durable non-metallic construction. Made in the United States with professional-grade materials, this fire-rated ceiling fixture box provides reliable performance for demanding electrical installations requiring fire rating compliance.

Manufacturer Resources

Spec Sheet

Product Specs

Country Of Origin:
United States
Listing:
UL Listed
Department:
Electrical
Product Type:
Ceiling Box
Product Category:
Fan & Fixture Boxes
Product Color:
Black
Product Height:
4.000"
Product Weight:
0.358 lbs/each
Product Width:
4.800"
Product Material:
Plastic
Product Size:
20.5 cu in
Product Group:
Boxes & Enclosures
Product Subgroup:
Electrical Boxes

Arlington Industries FA426 – Frequently Asked Questions

1) Will an Arlington FA426 ceiling fixture box hold a ceiling fan?
No. The FA426 is a fixture box, not a fan-rated box. Nothing in the Arlington FA426 data supports hanging a paddle fan from it. Use it for ceiling-mounted lighting fixtures and junction work in fire-rated assemblies, and specify a listed fan support box where a fan is going in.
2) How many wires can I get into a 20.5 cubic inch Arlington FA426 fixture box?
The FA426 gives you 20.5 cubic inches of box volume, which is the number you run your NEC box-fill calculation against. That is generous for a typical ceiling fixture drop: a couple of 14/2 or 12/2 cables landing, the fixture leads, and the grounds. If you are daisy-chaining three or more cables through the same box on 12 AWG, do the fill math before you commit, because volume is the limit, not the number of knockouts.
3) Can I use a plastic box in a fire-rated ceiling assembly?
That is exactly what the FA426 is built for. It is a non-metallic, UL listed fire-rated ceiling fixture box, so it goes into a rated ceiling without you having to build a separate enclosure or box shield around it. Standard non-metallic boxes are not rated for that use.
4) What part number do I order for the Arlington fire-rated adjustable ceiling box?
Order Arlington Industries FA426. That is the non-metallic fire-rated adjustable ceiling fixture box, 20.5 cubic inches, black, made in the United States. There is a single model on it, so there is no finish or size option to specify.
5) What does the adjustable part of the Arlington FA426 do on new construction framing?
It is a construction-mount box, meaning it goes up on the joists or bracing before the ceiling goes on, and the adjustment lets you set the box face to the finished ceiling thickness instead of shimming it after the fact. Useful when the drywall layer count is not settled at rough-in, which on a fire-rated ceiling is often two layers rather than one.
6) Is the Arlington FA426 sold individually or by the box?
Standard packaging on the FA426 is 25 pieces per carton, which is how it ships from Arlington for production work. On a multi-unit or tenant-improvement job where every rated ceiling gets a fixture, a full carton typically covers a floor.
7) Does a non-metallic ceiling box need a separate bonding jumper?
With a plastic box like the FA426 there is no metal enclosure to bond, so your equipment grounds land together with the fixture ground rather than to the box itself. That also means the box gives you no corrosion path and no continuity to fight in damp or coastal work, which is part of why non-metallic gets specified over a steel pan.
8) Is the Arlington FA426 made in the USA for a Buy American spec job?
Yes, the FA426 is manufactured in the United States. On federal, education, and public-agency work where domestic sourcing is written into the spec, that is the line item procurement asks about first.
How fast can I get the Arlington Industries FA426 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Arlington Industries FA426 come with a warranty?
Absolutely. The Arlington Industries FA426 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Arlington Industries FA426?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Arlington Industries FA426 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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